Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ha mon snippets" » "pham hoa mon snippets", "pham ma mon snippets", "pham va mon snippets", "pham hao mon snippets", "pham hat mon snippets", "pham hau mon snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("pham ha mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham ha mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham ha mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham ha mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.